When sexual activity is centered on one of the threesome, then the activity may be described as a gang bang of the gaysex person. Interracial pornography typically employs ethnic and racial stereotypes in its depiction of hentai videos performers and many of interracial pornographic films still include racial stereotypes, although the segregation of actors by race has diminished considerably. Hugo Ohira, director of marketing for Silvercash, rhetorically asks Who does not like spewing their load on a pretty young face? The principal characteristic of voyeurism is that the voyeur does not normally interact directly with the subject of his/her interest, who is often unaware of being observed. While most tentacle erotica is animated, there are also a few live-action movies. Sadomasochism does not imply enjoyment through causing or receiving pain in other situations . Well-known female porn stars who expressed their pleasure in pegging their male partners include Taylor Wane, Debi Diamond, Brittany Andrews, and Monique Covét. Not all crush fetishists are that extreme! Fisting involves the insertion of one partner entire hand into a vagina or the anal cavity. Buck Angel is the best-known actor in this genre. One or more of the participants may engage in autoerotic horny milfs sexual activity, such as masturbation, possibly without physical contact with the other participants. There are currently no known laws forbidding the crushing of objects and insects, however the production or trade of crush erotica involving live vertebrates is condemned by animal rights activists and is illegal in many countries, including the United States and Great Britain. Spanking or whipping pornography involves spanking or whipping, generally of the buttocks, with the hand or with other objects such as belts, switches, paddles, brushes, or whips. Group sex is sexual behavior involving more than two participants. This technique may include the use of a simulacrum, or artificial vagina. Others may also use vibrators and other sexual devices more commonly associated with female masturbation.